Device and system for filtering blood
First Claim
1. Device for filtering blood including a filter unit having a blood filter, an inlet for blood to be filtered and being connectable to an artery of a patient and a blood outlet for filtered blood and being connectable to a vein of the patient, and having a filtrate container for receiving filtrate passing through the blood filter during a filtering process and that the filtrate container is a closed container which in a filled state is arranged to establish a counter-pressure over the blood filter, whereby the filtering process is interrupted characterized in that the filtrate container encloses the filter unit.
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Accused Products
Abstract
Device (5) for filtering blood including a filter unit (7) having a blood filter, an inlet (8) for blood to be filtered and being connectable to an artery of a patient and a blood outlet (9) for filtered blood and being connectable to a vein of the patient, and having a filtrate container (6,14), that encloses the filter unit (7), for receiving filtrate (12) passing through the blood filter during a filtering process and that the filtrate container (6,14) is a closed container, which in a filled state is arranged to establish a counter-pressure over the blood filter, whereby the filtering process is interrupted. The invention also concerns a system including the above device.
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Citations
21 Claims
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1. Device for filtering blood including a filter unit having a blood filter, an inlet for blood to be filtered and being connectable to an artery of a patient and a blood outlet for filtered blood and being connectable to a vein of the patient, and having a filtrate container for receiving filtrate passing through the blood filter during a filtering process and that the filtrate container is a closed container which in a filled state is arranged to establish a counter-pressure over the blood filter, whereby the filtering process is interrupted characterized in
that the filtrate container encloses the filter unit.
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12. A method for filtering blood of a patient, said method comprising the steps of:
- providing a blood filter having an inlet and an outlet, and a filtrate container enclosing said blood filter for receiving filtrate passing through the blood filter during a filtering process, the blood filter and the filtrate container being adapted to be worn by the patient;
obtaining blood from the inlet which is adapted to be connected to an artery side of the patient;
filtering of blood with the blood filter until a predetermined amount of filtrate has been obtained; and
returning the filtered blood to the outlet adapted to be connected to a vein side of the patient;
wherein the above steps are performed in order to remove excess fluid from the blood stream of the patient. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
- providing a blood filter having an inlet and an outlet, and a filtrate container enclosing said blood filter for receiving filtrate passing through the blood filter during a filtering process, the blood filter and the filtrate container being adapted to be worn by the patient;
Specification